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<div class="header">
  <div class="headertitle"><div class="title">block.c</div></div>
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<a href="block_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* block.c -- block transfer</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> *</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * Copyright (C) 2010--2012,2015-2019 Olaf Bergmann &lt;bergmann@tzi.org&gt; and others</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * This file is part of the CoAP library libcoap. Please see</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * README for terms of use.</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> */</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="preprocessor">#include &quot;coap_config.h&quot;</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="preprocessor">#if defined(HAVE_ASSERT_H) &amp;&amp; !defined(assert)</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="preprocessor"># include &lt;assert.h&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="preprocessor">#include &quot;<a class="code" href="libcoap_8h.html">libcoap.h</a>&quot;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="preprocessor">#include &quot;<a class="code" href="coap__debug_8h.html">coap_debug.h</a>&quot;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="preprocessor">#include &quot;<a class="code" href="block_8h.html">block.h</a>&quot;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="preprocessor">#include &quot;<a class="code" href="resource_8h.html">resource.h</a>&quot;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="preprocessor">#include &quot;<a class="code" href="coap__hashkey_8h.html">coap_hashkey.h</a>&quot;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#ifndef min</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"><a class="line" href="block_8c.html#ac6afabdc09a49a433ee19d8a9486056d">   22</a></span><span class="preprocessor">#define min(a,b) ((a) &lt; (b) ? (a) : (b))</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#ifndef WITHOUT_BLOCK</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00027" data-start="{" data-end="}">
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="group__block.html#gaac6c90297abc6e2da80a6212b0d10e99">   27</a></span><a class="code hl_function" href="group__block.html#gaac6c90297abc6e2da80a6212b0d10e99">coap_opt_block_num</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *block_opt) {</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num = 0;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span>  uint16_t len;</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span>  len = <a class="code hl_function" href="group__opt__filter.html#gaac65919c93f7047b687d33af9672b3ea">coap_opt_length</a>(block_opt);</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span>  <span class="keywordflow">if</span> (len == 0) {</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span>  }</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span>  <span class="keywordflow">if</span> (len &gt; 1) {</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span>    num = <a class="code hl_function" href="encode_8c.html#a7d12488893c3062c98bad1f4ab58455c">coap_decode_var_bytes</a>(<a class="code hl_function" href="group__opt__filter.html#gaec4e944d39722779cac610ed22ee09db">coap_opt_value</a>(block_opt),</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>                                <a class="code hl_function" href="group__opt__filter.html#gaac65919c93f7047b687d33af9672b3ea">coap_opt_length</a>(block_opt) - 1);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>  }</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span>  <span class="keywordflow">return</span> (num &lt;&lt; 4) | ((*<a class="code hl_define" href="group__block.html#gad7d63d1ac6f4e326be162f5fb1ee48d9">COAP_OPT_BLOCK_LAST</a>(block_opt) &amp; 0xF0) &gt;&gt; 4);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>}</div>
</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00046" data-start="{" data-end="}">
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="group__block.html#ga714d943bd85123de1b8b6f86ec204a69">   46</a></span><a class="code hl_function" href="group__block.html#ga714d943bd85123de1b8b6f86ec204a69">coap_get_block</a>(<a class="code hl_struct" href="structcoap__pdu__t.html">coap_pdu_t</a> *pdu, uint16_t type, <a class="code hl_struct" href="structcoap__block__t.html">coap_block_t</a> *block) {</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>  <a class="code hl_struct" href="structcoap__opt__iterator__t.html">coap_opt_iterator_t</a> opt_iter;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>  <a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *option;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(block);</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>  memset(block, 0, <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structcoap__block__t.html">coap_block_t</a>));</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>  <span class="keywordflow">if</span> (pdu &amp;&amp; (option = <a class="code hl_function" href="group__opt__filter.html#ga35c348f1ce988e6788930a710f4535c9">coap_check_option</a>(pdu, type, &amp;opt_iter)) != NULL) {</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>    block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a> = <a class="code hl_define" href="group__block.html#ga3b14a086973dff06815f999b6c873429">COAP_OPT_BLOCK_SZX</a>(option);</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>    <span class="keywordflow">if</span> (<a class="code hl_define" href="group__block.html#ga9e87e4bbd861945d9d1cc672c781662b">COAP_OPT_BLOCK_MORE</a>(option))</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>      block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#ab853b0f192d874e5c0fc5d054348731d">m</a> = 1;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>    <span class="comment">/* The block number is at most 20 bits, so values above 2^20 - 1</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment">     * are illegal. */</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>    num = <a class="code hl_function" href="group__block.html#gaac6c90297abc6e2da80a6212b0d10e99">coap_opt_block_num</a>(option);</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>    <span class="keywordflow">if</span> (num &gt; 0xFFFFF) {</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>      <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>    }</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>    block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a> = num;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>    <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>  }</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>}</div>
</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00074" data-start="{" data-end="}">
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="group__block.html#ga0462e5c93460d2df1c60611188192524">   74</a></span><a class="code hl_function" href="group__block.html#ga0462e5c93460d2df1c60611188192524">coap_write_block_opt</a>(<a class="code hl_struct" href="structcoap__block__t.html">coap_block_t</a> *block, uint16_t type,</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>                     <a class="code hl_struct" href="structcoap__pdu__t.html">coap_pdu_t</a> *pdu, <span class="keywordtype">size_t</span> data_length) {</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>  <span class="keywordtype">size_t</span> start, want, avail;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[4];</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(pdu);</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>  start = block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a> &lt;&lt; (block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a> + 4);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>  <span class="keywordflow">if</span> (data_length &lt;= start) {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;illegal block requested\n&quot;</span>);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>    <span class="keywordflow">return</span> -2;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>  }</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(pdu-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a5bd82194d62c90d9243313cbbbe26d47">max_size</a> &gt; 0);</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>  avail = pdu-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a5bd82194d62c90d9243313cbbbe26d47">max_size</a> - pdu-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#ac5018459a3078a5b896119d7464cb273">used_size</a> - 4;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>  want = (size_t)1 &lt;&lt; (block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a> + 4);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>  <span class="comment">/* check if entire block fits in message */</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>  <span class="keywordflow">if</span> (want &lt;= avail) {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>    block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#ab853b0f192d874e5c0fc5d054348731d">m</a> = want &lt; data_length - start;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>    <span class="comment">/* Sender has requested a block that is larger than the remaining</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment">     * space in pdu. This is ok if the remaining data fits into the pdu</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment">     * anyway. The block size needs to be adjusted only if there is more</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">     * data left that cannot be delivered in this message. */</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>    <span class="keywordflow">if</span> (data_length - start &lt;= avail) {</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>      <span class="comment">/* it&#39;s the final block and everything fits in the message */</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>      block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#ab853b0f192d874e5c0fc5d054348731d">m</a> = 0;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>      <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> szx;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>      <span class="keywordtype">int</span> newBlockSize;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>      <span class="comment">/* we need to decrease the block size */</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>      <span class="keywordflow">if</span> (avail &lt; 16) {         <span class="comment">/* bad luck, this is the smallest block size */</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>        <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>,</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>                 <span class="stringliteral">&quot;not enough space, even the smallest block does not fit&quot;</span>);</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>        <span class="keywordflow">return</span> -3;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>      }</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>      newBlockSize = <a class="code hl_function" href="encode_8c.html#a5732d87decbffe771159ea02a5e25488">coap_flsll</a>((<span class="keywordtype">long</span> <span class="keywordtype">long</span>)avail) - 5;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>      <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>,</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>               <span class="stringliteral">&quot;decrease block size for %zu to %d\n&quot;</span>, avail, newBlockSize);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>      szx = block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a>;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>      block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a> = newBlockSize;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>      block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#ab853b0f192d874e5c0fc5d054348731d">m</a> = 1;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>      block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a> &lt;&lt;= szx - block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a>;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>  }</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>  <span class="comment">/* to re-encode the block option */</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>  <a class="code hl_function" href="pdu_8c.html#aa1314f60fbc25733cfabaa975adc5aae">coap_add_option</a>(pdu, type, <a class="code hl_function" href="encode_8c.html#a6987668306bf69553f9b207a624c2d44">coap_encode_var_safe</a>(buf, <span class="keyword">sizeof</span>(buf),</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>                                                  ((block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a> &lt;&lt; 4) |</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>                                                   (block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#ab853b0f192d874e5c0fc5d054348731d">m</a> &lt;&lt; 3) |</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>                                                   block-&gt;<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a>)),</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>                  buf);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>}</div>
</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00135" data-start="{" data-end="}">
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"><a class="line" href="group__block.html#ga0a90438f60d08abd88da955ec895cedb">  135</a></span><a class="code hl_function" href="group__block.html#ga0a90438f60d08abd88da955ec895cedb">coap_add_block</a>(<a class="code hl_struct" href="structcoap__pdu__t.html">coap_pdu_t</a> *pdu, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len, <span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *data,</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>               <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> block_num, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> block_szx) {</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> start;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>  start = block_num &lt;&lt; (block_szx + 4);</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>  <span class="keywordflow">if</span> (len &lt;= start)</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>  <span class="keywordflow">return</span> <a class="code hl_function" href="pdu_8c.html#af71a3f810ab9f0f657c25c425826af40">coap_add_data</a>(pdu,</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>                       <a class="code hl_define" href="block_8c.html#ac6afabdc09a49a433ee19d8a9486056d">min</a>(len - start, (1U &lt;&lt; (block_szx + 4))),</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>                       data + start);</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>}</div>
</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">/*</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment"> * Note that the COAP_OPTION_ have to be added in the correct order</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment"> */</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00152" data-start="{" data-end="}">
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"><a class="line" href="group__block.html#ga38c1e9829062e3e2ce621641f1ae59c5">  152</a></span><a class="code hl_function" href="group__block.html#ga38c1e9829062e3e2ce621641f1ae59c5">coap_add_data_blocked_response</a>(<a class="code hl_struct" href="structcoap__resource__t.html">coap_resource_t</a> *resource,</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>                       <a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session,</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>                       <a class="code hl_struct" href="structcoap__pdu__t.html">coap_pdu_t</a> *request,</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>                       <a class="code hl_struct" href="structcoap__pdu__t.html">coap_pdu_t</a> *response,</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>                       <span class="keyword">const</span> <a class="code hl_struct" href="structcoap__binary__t.html">coap_binary_t</a> *token,</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>                       uint16_t media_type,</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>                       <span class="keywordtype">int</span> maxage,</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>                       <span class="keywordtype">size_t</span> length,</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>                       <span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>* data</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>) {</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>  <a class="code hl_typedef" href="coap__hashkey_8h.html#a14b49ce1f8be4059e84df8e9d2a19586">coap_key_t</a> etag;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[4];</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>  <a class="code hl_struct" href="structcoap__block__t.html">coap_block_t</a> block2 = { 0, 0, 0 };</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>  <span class="keywordtype">int</span> block2_requested = 0;</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>  <a class="code hl_struct" href="structcoap__subscription__t.html">coap_subscription_t</a> *subscription = <a class="code hl_function" href="resource_8c.html#ad6d585115f3bfa62c5e9d6129009c6c7">coap_find_observer</a>(resource, session, token);</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>  <span class="comment">/*</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="comment">   * Need to check that a valid block is getting asked for so that the</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment">   * correct options are put into the PDU.</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="comment">   */</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>  <span class="keywordflow">if</span> (request) {</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="group__block.html#ga714d943bd85123de1b8b6f86ec204a69">coap_get_block</a>(request, <a class="code hl_define" href="pdu_8h.html#a078cdb892664dd5f7ea708b7f403fa8d">COAP_OPTION_BLOCK2</a>, &amp;block2)) {</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>      block2_requested = 1;</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>      <span class="keywordflow">if</span> (length &lt;= (block2.<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a> &lt;&lt; (block2.<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a> + 4))) {</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>        <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;Illegal block requested (%d &gt; last = %zu)\n&quot;</span>,</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>                 block2.<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a>,</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>                 length &gt;&gt; (block2.<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a> + 4));</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>        response-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a69c774f85355eeacc4742355527a8097">code</a> = <a class="code hl_define" href="pdu_8h.html#a651de743c1ff3168c875820cf327b1d6">COAP_RESPONSE_CODE</a>(400);</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>        <span class="keywordflow">goto</span> error;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>      }</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>    }</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>  }</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (subscription &amp;&amp; subscription-&gt;<a class="code hl_variable" href="structcoap__subscription__t.html#a56a7321ec5cc87a67fdcecd0dc8e6525">has_block2</a>) {</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>    block2 = subscription-&gt;<a class="code hl_variable" href="structcoap__subscription__t.html#a0a616d69d4b63843867180124541b1a8">block2</a>;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>    block2.<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a> = 0;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>    block2_requested = 1;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>  }</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>  response-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a69c774f85355eeacc4742355527a8097">code</a> = <a class="code hl_define" href="pdu_8h.html#a651de743c1ff3168c875820cf327b1d6">COAP_RESPONSE_CODE</a>(205);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>  <span class="comment">/* add etag for the resource */</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>  memset(etag, 0, <span class="keyword">sizeof</span>(etag));</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>  <a class="code hl_define" href="coap__hashkey_8h.html#a7367053289edae33b9f02771d89b0ffa">coap_hash</a>(data, length, etag);</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>  <a class="code hl_function" href="pdu_8c.html#aa1314f60fbc25733cfabaa975adc5aae">coap_add_option</a>(response, <a class="code hl_define" href="pdu_8h.html#ad8ae78716b8b32e7ced0390b77e615ec">COAP_OPTION_ETAG</a>, <span class="keyword">sizeof</span>(etag), etag);</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>  <span class="keywordflow">if</span> ((block2.<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a> == 0) &amp;&amp; subscription) {</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>    <a class="code hl_function" href="pdu_8c.html#aa1314f60fbc25733cfabaa975adc5aae">coap_add_option</a>(response, <a class="code hl_define" href="pdu_8h.html#adf17a37fe3a833c8120d5414313c8655">COAP_OPTION_OBSERVE</a>,</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>                    <a class="code hl_function" href="encode_8c.html#a6987668306bf69553f9b207a624c2d44">coap_encode_var_safe</a>(buf, <span class="keyword">sizeof</span> (buf),</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>                                         resource-&gt;<a class="code hl_variable" href="structcoap__resource__t.html#a427dd41384d9f8560dce69b220a8fecc">observe</a>),</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>                    buf);</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>  }</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>  <a class="code hl_function" href="pdu_8c.html#aa1314f60fbc25733cfabaa975adc5aae">coap_add_option</a>(response, <a class="code hl_define" href="pdu_8h.html#a99007567c62f8f31404111b7bb888c6e">COAP_OPTION_CONTENT_TYPE</a>,</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>                  <a class="code hl_function" href="encode_8c.html#a6987668306bf69553f9b207a624c2d44">coap_encode_var_safe</a>(buf, <span class="keyword">sizeof</span>(buf),</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>                                       media_type),</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>                  buf);</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span> </div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>  <span class="keywordflow">if</span> (maxage &gt;= 0) {</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>    <a class="code hl_function" href="pdu_8c.html#aa1314f60fbc25733cfabaa975adc5aae">coap_add_option</a>(response,</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>                    <a class="code hl_define" href="pdu_8h.html#ad72feffdb8f533e1e97c74c626f023b5">COAP_OPTION_MAXAGE</a>,</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>                    <a class="code hl_function" href="encode_8c.html#a6987668306bf69553f9b207a624c2d44">coap_encode_var_safe</a>(buf, <span class="keyword">sizeof</span>(buf), maxage), buf);</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>  }</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>  <span class="keywordflow">if</span> (block2_requested) {</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>    <span class="keywordtype">int</span> res;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span> </div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>    res = <a class="code hl_function" href="group__block.html#ga0462e5c93460d2df1c60611188192524">coap_write_block_opt</a>(&amp;block2, <a class="code hl_define" href="pdu_8h.html#a078cdb892664dd5f7ea708b7f403fa8d">COAP_OPTION_BLOCK2</a>, response,</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>                               length);</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>    <span class="keywordflow">switch</span> (res) {</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>    <span class="keywordflow">case</span> -2:                        <span class="comment">/* illegal block (caught above) */</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>        response-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a69c774f85355eeacc4742355527a8097">code</a> = <a class="code hl_define" href="pdu_8h.html#a651de743c1ff3168c875820cf327b1d6">COAP_RESPONSE_CODE</a>(400);</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>        <span class="keywordflow">goto</span> error;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>    <span class="keywordflow">case</span> -1:                        <span class="comment">/* should really not happen */</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>        <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(0);</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>        <span class="comment">/* fall through if assert is a no-op */</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>    <span class="keywordflow">case</span> -3:                        <span class="comment">/* cannot handle request */</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>        response-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a69c774f85355eeacc4742355527a8097">code</a> = <a class="code hl_define" href="pdu_8h.html#a651de743c1ff3168c875820cf327b1d6">COAP_RESPONSE_CODE</a>(500);</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>        <span class="keywordflow">goto</span> error;</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>    <span class="keywordflow">default</span>:                        <span class="comment">/* everything is good */</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>        ;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>    }</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>    <a class="code hl_function" href="pdu_8c.html#aa1314f60fbc25733cfabaa975adc5aae">coap_add_option</a>(response,</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>                    <a class="code hl_define" href="pdu_8h.html#a0ef4ecdcc101e4c5ebc19c4f1c5daa3b">COAP_OPTION_SIZE2</a>,</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>                    <a class="code hl_function" href="encode_8c.html#a6987668306bf69553f9b207a624c2d44">coap_encode_var_safe</a>(buf, <span class="keyword">sizeof</span>(buf), length),</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>                    buf);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>    <a class="code hl_function" href="group__block.html#ga0a90438f60d08abd88da955ec895cedb">coap_add_block</a>(response, length, data,</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>                   block2.<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a>, block2.<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a>);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>    <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>  }</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>  <span class="comment">/*</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="comment">   * BLOCK2 not requested</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="comment">   */</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>  <span class="keywordflow">if</span> (!<a class="code hl_function" href="pdu_8c.html#af71a3f810ab9f0f657c25c425826af40">coap_add_data</a>(response, length, data)) {</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>    <span class="comment">/* set initial block size, will be lowered by</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span><span class="comment">     * coap_write_block_opt) automatically */</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>    block2.<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a> = 0;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>    block2.<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a> = 6;</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>    <a class="code hl_function" href="group__block.html#ga0462e5c93460d2df1c60611188192524">coap_write_block_opt</a>(&amp;block2, <a class="code hl_define" href="pdu_8h.html#a078cdb892664dd5f7ea708b7f403fa8d">COAP_OPTION_BLOCK2</a>, response,</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>                         length);</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>    <a class="code hl_function" href="pdu_8c.html#aa1314f60fbc25733cfabaa975adc5aae">coap_add_option</a>(response,</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>                    <a class="code hl_define" href="pdu_8h.html#a0ef4ecdcc101e4c5ebc19c4f1c5daa3b">COAP_OPTION_SIZE2</a>,</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>                    <a class="code hl_function" href="encode_8c.html#a6987668306bf69553f9b207a624c2d44">coap_encode_var_safe</a>(buf, <span class="keyword">sizeof</span>(buf), length),</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>                    buf);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>    <a class="code hl_function" href="group__block.html#ga0a90438f60d08abd88da955ec895cedb">coap_add_block</a>(response, length, data,</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>                   block2.<a class="code hl_variable" href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">num</a>, block2.<a class="code hl_variable" href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">szx</a>);</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>  }</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span> </div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>error:</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>  <a class="code hl_function" href="pdu_8c.html#af71a3f810ab9f0f657c25c425826af40">coap_add_data</a>(response,</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>                strlen(<a class="code hl_function" href="pdu_8c.html#a0820d2413f167cd92f8267bf0aaa6ecb">coap_response_phrase</a>(response-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a69c774f85355eeacc4742355527a8097">code</a>)),</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>                (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)<a class="code hl_function" href="pdu_8c.html#a0820d2413f167cd92f8267bf0aaa6ecb">coap_response_phrase</a>(response-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a69c774f85355eeacc4742355527a8097">code</a>));</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>}</div>
</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span><span class="preprocessor">#endif </span><span class="comment">/* WITHOUT_BLOCK  */</span><span class="preprocessor"></span></div>
<div class="ttc" id="ablock_8c_html_ac6afabdc09a49a433ee19d8a9486056d"><div class="ttname"><a href="block_8c.html#ac6afabdc09a49a433ee19d8a9486056d">min</a></div><div class="ttdeci">#define min(a, b)</div><div class="ttdef"><b>Definition</b> <a href="block_8c_source.html#l00022">block.c:22</a></div></div>
<div class="ttc" id="ablock_8h_html"><div class="ttname"><a href="block_8h.html">block.h</a></div></div>
<div class="ttc" id="acoap__debug_8h_html"><div class="ttname"><a href="coap__debug_8h.html">coap_debug.h</a></div></div>
<div class="ttc" id="acoap__hashkey_8h_html"><div class="ttname"><a href="coap__hashkey_8h.html">coap_hashkey.h</a></div><div class="ttdoc">definition of hash key type and helper functions</div></div>
<div class="ttc" id="acoap__hashkey_8h_html_a14b49ce1f8be4059e84df8e9d2a19586"><div class="ttname"><a href="coap__hashkey_8h.html#a14b49ce1f8be4059e84df8e9d2a19586">coap_key_t</a></div><div class="ttdeci">unsigned char coap_key_t[4]</div><div class="ttdef"><b>Definition</b> <a href="coap__hashkey_8h_source.html#l00022">coap_hashkey.h:22</a></div></div>
<div class="ttc" id="acoap__hashkey_8h_html_a7367053289edae33b9f02771d89b0ffa"><div class="ttname"><a href="coap__hashkey_8h.html#a7367053289edae33b9f02771d89b0ffa">coap_hash</a></div><div class="ttdeci">#define coap_hash(String, Length, Result)</div><div class="ttdef"><b>Definition</b> <a href="coap__hashkey_8h_source.html#l00036">coap_hashkey.h:36</a></div></div>
<div class="ttc" id="aencode_8c_html_a5732d87decbffe771159ea02a5e25488"><div class="ttname"><a href="encode_8c.html#a5732d87decbffe771159ea02a5e25488">coap_flsll</a></div><div class="ttdeci">int coap_flsll(long long i)</div><div class="ttdef"><b>Definition</b> <a href="encode_8c_source.html#l00026">encode.c:26</a></div></div>
<div class="ttc" id="aencode_8c_html_a6987668306bf69553f9b207a624c2d44"><div class="ttname"><a href="encode_8c.html#a6987668306bf69553f9b207a624c2d44">coap_encode_var_safe</a></div><div class="ttdeci">unsigned int coap_encode_var_safe(uint8_t *buf, size_t length, unsigned int val)</div><div class="ttdoc">Encodes multiple-length byte sequences.</div><div class="ttdef"><b>Definition</b> <a href="encode_8c_source.html#l00045">encode.c:45</a></div></div>
<div class="ttc" id="aencode_8c_html_a7d12488893c3062c98bad1f4ab58455c"><div class="ttname"><a href="encode_8c.html#a7d12488893c3062c98bad1f4ab58455c">coap_decode_var_bytes</a></div><div class="ttdeci">unsigned int coap_decode_var_bytes(const uint8_t *buf, unsigned int len)</div><div class="ttdoc">Decodes multiple-length byte sequences.</div><div class="ttdef"><b>Definition</b> <a href="encode_8c_source.html#l00036">encode.c:36</a></div></div>
<div class="ttc" id="agroup__block_html_ga0462e5c93460d2df1c60611188192524"><div class="ttname"><a href="group__block.html#ga0462e5c93460d2df1c60611188192524">coap_write_block_opt</a></div><div class="ttdeci">int coap_write_block_opt(coap_block_t *block, uint16_t type, coap_pdu_t *pdu, size_t data_length)</div><div class="ttdoc">Writes a block option of type type to message pdu.</div><div class="ttdef"><b>Definition</b> <a href="block_8c_source.html#l00074">block.c:74</a></div></div>
<div class="ttc" id="agroup__block_html_ga0a90438f60d08abd88da955ec895cedb"><div class="ttname"><a href="group__block.html#ga0a90438f60d08abd88da955ec895cedb">coap_add_block</a></div><div class="ttdeci">int coap_add_block(coap_pdu_t *pdu, unsigned int len, const uint8_t *data, unsigned int block_num, unsigned char block_szx)</div><div class="ttdoc">Adds the block_num block of size 1 &lt;&lt; (block_szx + 4) from source data to pdu.</div><div class="ttdef"><b>Definition</b> <a href="block_8c_source.html#l00135">block.c:135</a></div></div>
<div class="ttc" id="agroup__block_html_ga38c1e9829062e3e2ce621641f1ae59c5"><div class="ttname"><a href="group__block.html#ga38c1e9829062e3e2ce621641f1ae59c5">coap_add_data_blocked_response</a></div><div class="ttdeci">void coap_add_data_blocked_response(coap_resource_t *resource, coap_session_t *session, coap_pdu_t *request, coap_pdu_t *response, const coap_binary_t *token, uint16_t media_type, int maxage, size_t length, const uint8_t *data)</div><div class="ttdoc">Adds the appropriate part of data to the response pdu.</div><div class="ttdef"><b>Definition</b> <a href="block_8c_source.html#l00152">block.c:152</a></div></div>
<div class="ttc" id="agroup__block_html_ga3b14a086973dff06815f999b6c873429"><div class="ttname"><a href="group__block.html#ga3b14a086973dff06815f999b6c873429">COAP_OPT_BLOCK_SZX</a></div><div class="ttdeci">#define COAP_OPT_BLOCK_SZX(opt)</div><div class="ttdoc">Returns the value of the SZX-field of a Block option opt.</div><div class="ttdef"><b>Definition</b> <a href="block_8h_source.html#l00055">block.h:55</a></div></div>
<div class="ttc" id="agroup__block_html_ga714d943bd85123de1b8b6f86ec204a69"><div class="ttname"><a href="group__block.html#ga714d943bd85123de1b8b6f86ec204a69">coap_get_block</a></div><div class="ttdeci">int coap_get_block(coap_pdu_t *pdu, uint16_t type, coap_block_t *block)</div><div class="ttdoc">Initializes block from pdu.</div><div class="ttdef"><b>Definition</b> <a href="block_8c_source.html#l00046">block.c:46</a></div></div>
<div class="ttc" id="agroup__block_html_ga9e87e4bbd861945d9d1cc672c781662b"><div class="ttname"><a href="group__block.html#ga9e87e4bbd861945d9d1cc672c781662b">COAP_OPT_BLOCK_MORE</a></div><div class="ttdeci">#define COAP_OPT_BLOCK_MORE(opt)</div><div class="ttdoc">Returns the value of the More-bit of a Block option opt.</div><div class="ttdef"><b>Definition</b> <a href="block_8h_source.html#l00051">block.h:51</a></div></div>
<div class="ttc" id="agroup__block_html_gaac6c90297abc6e2da80a6212b0d10e99"><div class="ttname"><a href="group__block.html#gaac6c90297abc6e2da80a6212b0d10e99">coap_opt_block_num</a></div><div class="ttdeci">unsigned int coap_opt_block_num(const coap_opt_t *block_opt)</div><div class="ttdoc">Returns the value of field num in the given block option block_opt.</div><div class="ttdef"><b>Definition</b> <a href="block_8c_source.html#l00027">block.c:27</a></div></div>
<div class="ttc" id="agroup__block_html_gad7d63d1ac6f4e326be162f5fb1ee48d9"><div class="ttname"><a href="group__block.html#gad7d63d1ac6f4e326be162f5fb1ee48d9">COAP_OPT_BLOCK_LAST</a></div><div class="ttdeci">#define COAP_OPT_BLOCK_LAST(opt)</div><div class="ttdoc">Returns the value of the least significant byte of a Block option opt.</div><div class="ttdef"><b>Definition</b> <a href="block_8h_source.html#l00047">block.h:47</a></div></div>
<div class="ttc" id="agroup__logging_html_gaff2785484e756c8ec2fce408f9b81f0f"><div class="ttname"><a href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a></div><div class="ttdeci">#define coap_log(level,...)</div><div class="ttdoc">Logging function.</div><div class="ttdef"><b>Definition</b> <a href="coap__debug_8h_source.html#l00122">coap_debug.h:122</a></div></div>
<div class="ttc" id="agroup__logging_html_gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e"><div class="ttname"><a href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a></div><div class="ttdeci">@ LOG_DEBUG</div><div class="ttdoc">Debug.</div><div class="ttdef"><b>Definition</b> <a href="coap__debug_8h_source.html#l00050">coap_debug.h:49</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga35c348f1ce988e6788930a710f4535c9"><div class="ttname"><a href="group__opt__filter.html#ga35c348f1ce988e6788930a710f4535c9">coap_check_option</a></div><div class="ttdeci">coap_opt_t * coap_check_option(coap_pdu_t *pdu, uint16_t type, coap_opt_iterator_t *oi)</div><div class="ttdoc">Retrieves the first option of type type from pdu.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00207">option.c:207</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_gaac65919c93f7047b687d33af9672b3ea"><div class="ttname"><a href="group__opt__filter.html#gaac65919c93f7047b687d33af9672b3ea">coap_opt_length</a></div><div class="ttdeci">uint16_t coap_opt_length(const coap_opt_t *opt)</div><div class="ttdoc">Returns the length of the given option.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00249">option.c:249</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_gaec4e944d39722779cac610ed22ee09db"><div class="ttname"><a href="group__opt__filter.html#gaec4e944d39722779cac610ed22ee09db">coap_opt_value</a></div><div class="ttdeci">const uint8_t * coap_opt_value(const coap_opt_t *opt)</div><div class="ttdoc">Returns a pointer to the value of the given option.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00286">option.c:286</a></div></div>
<div class="ttc" id="alibcoap_8h_html"><div class="ttname"><a href="libcoap_8h.html">libcoap.h</a></div></div>
<div class="ttc" id="amem_8c_html_a3d4ae9c092e117c836f52dc7d7cee574"><div class="ttname"><a href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a></div><div class="ttdeci">#define assert(...)</div><div class="ttdef"><b>Definition</b> <a href="mem_8c_source.html#l00018">mem.c:18</a></div></div>
<div class="ttc" id="aoption_8h_html_a963ad4994625360a5ac70d9df2ab5412"><div class="ttname"><a href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a></div><div class="ttdeci">uint8_t coap_opt_t</div><div class="ttdoc">Use byte-oriented access methods here because sliding a complex struct coap_opt_t over the data buffe...</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00025">option.h:25</a></div></div>
<div class="ttc" id="apdu_8c_html_a0820d2413f167cd92f8267bf0aaa6ecb"><div class="ttname"><a href="pdu_8c.html#a0820d2413f167cd92f8267bf0aaa6ecb">coap_response_phrase</a></div><div class="ttdeci">const char * coap_response_phrase(unsigned char code)</div><div class="ttdoc">Returns a human-readable response phrase for the specified CoAP response code.</div><div class="ttdef"><b>Definition</b> <a href="pdu_8c_source.html#l00384">pdu.c:384</a></div></div>
<div class="ttc" id="apdu_8c_html_aa1314f60fbc25733cfabaa975adc5aae"><div class="ttname"><a href="pdu_8c.html#aa1314f60fbc25733cfabaa975adc5aae">coap_add_option</a></div><div class="ttdeci">size_t coap_add_option(coap_pdu_t *pdu, uint16_t type, size_t len, const uint8_t *data)</div><div class="ttdoc">Adds option of given type to pdu that is passed as first parameter.</div><div class="ttdef"><b>Definition</b> <a href="pdu_8c_source.html#l00229">pdu.c:229</a></div></div>
<div class="ttc" id="apdu_8c_html_af71a3f810ab9f0f657c25c425826af40"><div class="ttname"><a href="pdu_8c.html#af71a3f810ab9f0f657c25c425826af40">coap_add_data</a></div><div class="ttdeci">int coap_add_data(coap_pdu_t *pdu, size_t len, const uint8_t *data)</div><div class="ttdoc">Adds given data to the pdu that is passed as first parameter.</div><div class="ttdef"><b>Definition</b> <a href="pdu_8c_source.html#l00302">pdu.c:302</a></div></div>
<div class="ttc" id="apdu_8h_html_a078cdb892664dd5f7ea708b7f403fa8d"><div class="ttname"><a href="pdu_8h.html#a078cdb892664dd5f7ea708b7f403fa8d">COAP_OPTION_BLOCK2</a></div><div class="ttdeci">#define COAP_OPTION_BLOCK2</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00117">pdu.h:117</a></div></div>
<div class="ttc" id="apdu_8h_html_a0ef4ecdcc101e4c5ebc19c4f1c5daa3b"><div class="ttname"><a href="pdu_8h.html#a0ef4ecdcc101e4c5ebc19c4f1c5daa3b">COAP_OPTION_SIZE2</a></div><div class="ttdeci">#define COAP_OPTION_SIZE2</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00105">pdu.h:105</a></div></div>
<div class="ttc" id="apdu_8h_html_a651de743c1ff3168c875820cf327b1d6"><div class="ttname"><a href="pdu_8h.html#a651de743c1ff3168c875820cf327b1d6">COAP_RESPONSE_CODE</a></div><div class="ttdeci">#define COAP_RESPONSE_CODE(N)</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00132">pdu.h:132</a></div></div>
<div class="ttc" id="apdu_8h_html_a99007567c62f8f31404111b7bb888c6e"><div class="ttname"><a href="pdu_8h.html#a99007567c62f8f31404111b7bb888c6e">COAP_OPTION_CONTENT_TYPE</a></div><div class="ttdeci">#define COAP_OPTION_CONTENT_TYPE</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00100">pdu.h:100</a></div></div>
<div class="ttc" id="apdu_8h_html_ad72feffdb8f533e1e97c74c626f023b5"><div class="ttname"><a href="pdu_8h.html#ad72feffdb8f533e1e97c74c626f023b5">COAP_OPTION_MAXAGE</a></div><div class="ttdeci">#define COAP_OPTION_MAXAGE</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00101">pdu.h:101</a></div></div>
<div class="ttc" id="apdu_8h_html_ad8ae78716b8b32e7ced0390b77e615ec"><div class="ttname"><a href="pdu_8h.html#ad8ae78716b8b32e7ced0390b77e615ec">COAP_OPTION_ETAG</a></div><div class="ttdeci">#define COAP_OPTION_ETAG</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00094">pdu.h:94</a></div></div>
<div class="ttc" id="apdu_8h_html_adf17a37fe3a833c8120d5414313c8655"><div class="ttname"><a href="pdu_8h.html#adf17a37fe3a833c8120d5414313c8655">COAP_OPTION_OBSERVE</a></div><div class="ttdeci">#define COAP_OPTION_OBSERVE</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00112">pdu.h:112</a></div></div>
<div class="ttc" id="aresource_8c_html_ad6d585115f3bfa62c5e9d6129009c6c7"><div class="ttname"><a href="resource_8c.html#ad6d585115f3bfa62c5e9d6129009c6c7">coap_find_observer</a></div><div class="ttdeci">coap_subscription_t * coap_find_observer(coap_resource_t *resource, coap_session_t *session, const coap_binary_t *token)</div><div class="ttdoc">Returns a subscription object for given peer.</div><div class="ttdef"><b>Definition</b> <a href="resource_8c_source.html#l00587">resource.c:587</a></div></div>
<div class="ttc" id="aresource_8h_html"><div class="ttname"><a href="resource_8h.html">resource.h</a></div><div class="ttdoc">Generic resource handling.</div></div>
<div class="ttc" id="astructcoap__binary__t_html"><div class="ttname"><a href="structcoap__binary__t.html">coap_binary_t</a></div><div class="ttdoc">Coap binary data definition.</div><div class="ttdef"><b>Definition</b> <a href="str_8h_source.html#l00043">str.h:43</a></div></div>
<div class="ttc" id="astructcoap__block__t_html"><div class="ttname"><a href="structcoap__block__t.html">coap_block_t</a></div><div class="ttdoc">Structure of Block options.</div><div class="ttdef"><b>Definition</b> <a href="block_8h_source.html#l00036">block.h:36</a></div></div>
<div class="ttc" id="astructcoap__block__t_html_a601d49b58bb18aa216e7bc5410076af9"><div class="ttname"><a href="structcoap__block__t.html#a601d49b58bb18aa216e7bc5410076af9">coap_block_t::num</a></div><div class="ttdeci">unsigned int num</div><div class="ttdoc">block number</div><div class="ttdef"><b>Definition</b> <a href="block_8h_source.html#l00037">block.h:37</a></div></div>
<div class="ttc" id="astructcoap__block__t_html_aaeb4409b7a94cc0de61ea7657996d329"><div class="ttname"><a href="structcoap__block__t.html#aaeb4409b7a94cc0de61ea7657996d329">coap_block_t::szx</a></div><div class="ttdeci">unsigned int szx</div><div class="ttdoc">block size</div><div class="ttdef"><b>Definition</b> <a href="block_8h_source.html#l00039">block.h:39</a></div></div>
<div class="ttc" id="astructcoap__block__t_html_ab853b0f192d874e5c0fc5d054348731d"><div class="ttname"><a href="structcoap__block__t.html#ab853b0f192d874e5c0fc5d054348731d">coap_block_t::m</a></div><div class="ttdeci">unsigned int m</div><div class="ttdoc">1 if more blocks follow, 0 otherwise</div><div class="ttdef"><b>Definition</b> <a href="block_8h_source.html#l00038">block.h:38</a></div></div>
<div class="ttc" id="astructcoap__opt__iterator__t_html"><div class="ttname"><a href="structcoap__opt__iterator__t.html">coap_opt_iterator_t</a></div><div class="ttdoc">Iterator to run through PDU options.</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00237">option.h:237</a></div></div>
<div class="ttc" id="astructcoap__pdu__t_html"><div class="ttname"><a href="structcoap__pdu__t.html">coap_pdu_t</a></div><div class="ttdoc">structure for CoAP PDUs token, if any, follows the fixed size header, then options until payload mark...</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00285">pdu.h:285</a></div></div>
<div class="ttc" id="astructcoap__pdu__t_html_a5bd82194d62c90d9243313cbbbe26d47"><div class="ttname"><a href="structcoap__pdu__t.html#a5bd82194d62c90d9243313cbbbe26d47">coap_pdu_t::max_size</a></div><div class="ttdeci">size_t max_size</div><div class="ttdoc">maximum size for token, options and payload, or zero for variable size pdu</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00295">pdu.h:295</a></div></div>
<div class="ttc" id="astructcoap__pdu__t_html_a69c774f85355eeacc4742355527a8097"><div class="ttname"><a href="structcoap__pdu__t.html#a69c774f85355eeacc4742355527a8097">coap_pdu_t::code</a></div><div class="ttdeci">uint8_t code</div><div class="ttdoc">request method (value 1–10) or response code (value 40-255)</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00287">pdu.h:287</a></div></div>
<div class="ttc" id="astructcoap__pdu__t_html_ac5018459a3078a5b896119d7464cb273"><div class="ttname"><a href="structcoap__pdu__t.html#ac5018459a3078a5b896119d7464cb273">coap_pdu_t::used_size</a></div><div class="ttdeci">size_t used_size</div><div class="ttdoc">used bytes of storage for token, options and payload</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00294">pdu.h:294</a></div></div>
<div class="ttc" id="astructcoap__resource__t_html"><div class="ttname"><a href="structcoap__resource__t.html">coap_resource_t</a></div><div class="ttdef"><b>Definition</b> <a href="resource_8h_source.html#l00069">resource.h:69</a></div></div>
<div class="ttc" id="astructcoap__resource__t_html_a427dd41384d9f8560dce69b220a8fecc"><div class="ttname"><a href="structcoap__resource__t.html#a427dd41384d9f8560dce69b220a8fecc">coap_resource_t::observe</a></div><div class="ttdeci">unsigned int observe</div><div class="ttdoc">The next value for the Observe option.</div><div class="ttdef"><b>Definition</b> <a href="resource_8h_source.html#l00103">resource.h:103</a></div></div>
<div class="ttc" id="astructcoap__session__t_html"><div class="ttname"><a href="structcoap__session__t.html">coap_session_t</a></div><div class="ttdef"><b>Definition</b> <a href="coap__session_8h_source.html#l00056">coap_session.h:56</a></div></div>
<div class="ttc" id="astructcoap__subscription__t_html"><div class="ttname"><a href="structcoap__subscription__t.html">coap_subscription_t</a></div><div class="ttdoc">Subscriber information.</div><div class="ttdef"><b>Definition</b> <a href="subscribe_8h_source.html#l00056">subscribe.h:56</a></div></div>
<div class="ttc" id="astructcoap__subscription__t_html_a0a616d69d4b63843867180124541b1a8"><div class="ttname"><a href="structcoap__subscription__t.html#a0a616d69d4b63843867180124541b1a8">coap_subscription_t::block2</a></div><div class="ttdeci">coap_block_t block2</div><div class="ttdoc">GET request Block2 definition.</div><div class="ttdef"><b>Definition</b> <a href="subscribe_8h_source.html#l00066">subscribe.h:66</a></div></div>
<div class="ttc" id="astructcoap__subscription__t_html_a56a7321ec5cc87a67fdcecd0dc8e6525"><div class="ttname"><a href="structcoap__subscription__t.html#a56a7321ec5cc87a67fdcecd0dc8e6525">coap_subscription_t::has_block2</a></div><div class="ttdeci">unsigned int has_block2</div><div class="ttdoc">GET request had Block2 definition.</div><div class="ttdef"><b>Definition</b> <a href="subscribe_8h_source.html#l00065">subscribe.h:65</a></div></div>
<div class="ttc" id="authash_8h_html_aba7bc1797add20fe3efdf37ced1182c5"><div class="ttname"><a href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a></div><div class="ttdeci">unsigned char uint8_t</div><div class="ttdef"><b>Definition</b> <a href="uthash_8h_source.html#l00079">uthash.h:79</a></div></div>
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